Describe the architectures, concepts and transportation technologies of service providers' networks. Describe the software architectures of Cisco Internetwork Operating System (Cisco IOS®), the main types of IOS, and their differences Implement Open Shortest Path First (OSPF) protocol in the service provider network Implement the Integrated Intermediate System-to-Intermediate System (IS-IS) in the service provider's network Implement BGP (Border Gateway Protocol) routing in service provider environments Implementing road maps and routing policy language Describe the IPv6 transition mechanisms used in service provider networks Implementing High Availability Mechanisms in Cisco IOS XR Software Implement traffic engineering in modern service provider networks for optimal use of resources Describe the concepts of segment routing and segment routing traffic engineering Describe the VPN technologies used in the service provider environment Configure and verify the MPLS (Multiprotocol Label Switching) L2VPN in service provider environments Configure and verify the L3VPN MPLS in service provider environments Implementing IP multicast services Describe the Quality of Service Architecture (QoS) and the benefits of QoS for service provider networks. Implementing QoS in Service Provider Environments Implementing the security of the control plan in Cisco devices Implement management plan security in Cisco devices Implement data plan security in Cisco devices. Describe the data modeling language Yest Another Next Generation (YANG) Implement automation and assurance tools and protocols Describe the role of Cisco Network Services Orchestrator (NSO) in service provider environments Implement virtualization technologies in the environments of service providers.